Self and joseph e



(No Model.)

P. J. SMITH.

' TOOL FORv PACKING STUP'FING BOXES. No. 887,488.I Patented Aug. r7,1888.

N Firms. Fnwumagnpher, wa-mngwn. D. c.

Dire @rares 'terciaria NICE@ PETER J. SMITH, CF PHILADELPHIA,PENNSYLVANIA, ASSIGNCR TO HIM- SELF AND JOSEPH E. C. SMITH, OF SAMEPLACE, AND WILLIAM B. SMITH, OF VASHINGTON, DISTRICT OF COLUMBIA.

TOCL. FOR PACKING STUFFING=BOXES.

SPECIFICATION forming part of Letters Patent No. 387,458, dated August7, 1888.

Application filed March 20, 1888. Serial No. 27,84. (No model.)

To aZZ whom t may concern:

Be it known that I, PETER J. SMITH, a citi zen of the United States,residing at Philadelphia, in the county of Philadelphia and State ofPennsylvania, have invented certain newr and useful Improvements in aTool for Packing Stuffing Boxes and for Packing Heater, Condenser, andother Tubes; and I do hereby declare the following to be a full, clear,

1o and exact description of the invent-ion, such as will enable othersskilled in the art to which it appertains to make and use the same,reference being had to the accompanying drawings, and to letters oriigures of reference marked therer5 on, which form a part of thisspecification.

Referring to the drawings, Figure 1 is a side elevation; Fig. 2, an endelevation. Fig. 3 is a like view, partly in section; Fig. I atop planView, and Figs. 5 and 6 longitudinal verzo tical sections, of a toolembodying my invention.

The invention relates to a tool adapted for use in packing` deepstuffingboxes, such as the stuffing-boxes of globe-valves, but more 2 5especially adapted for packing heater and condenser tubes 5 and it hasfor its obj eet to provide means whereby such may be conveniently andeffectually packed, and whereby the packing may be cut out when worn andrepacked without trouble.

The invention consists, essentially, in a tubular packer -rod adapted tofit upon the part to be packed. or around which the packing is to belaid, said packer being provided with a guide slot or groove to guidethe packing-strand and wind it around the said part when the tool isrevolved, substantially as here` inafter fully described, and as setforth in the claims.

The invention further consists in providing the tool with a cutter-lipfor the purpose of cutting out worn packing, substantially ashereinafter fully described, and as set forth in the claims. v

5 The invention further consists in the combination, with the tool, of arevoluble carrier for the packing and of a friction -brake to check andregulate the rotation of the carrier, substantially as hereinafterdescribed, and as 5o set forth in the claims.

The difficulties encountered in packing deep stuffing-boxes or inpacking the ends of condenser or heater tubes are well known to thoseeonversant with this branch of mechanics. These difficulties areentirely Overcome by my invention, in that the packing may be introducedinto the stuffing-box or into the socket or bearing for heater andcondenser or other packed tubes, wound around the same in a uniformmanner, and packed to any desired 6o degree. In a similar manner oldpacking may be readily cut out for the purpose of repacking.

As shown in the drawings, thetool consists of a tubular packer-rod, 'A,adapted to fit on 65 aspindle or over the end of a tube around which thepacking is to belaid. The packerrod A is provided with a handle, A, ofany suitable or desired form, for conveniently revolving said rod; andsuch handle may form a separate or an integral part of the rod, as maybe desired, and may be provided with a flattened outer face, at, Fig. 6,so that a hammer or niallet may be brought into use for condensing thepacking.

The tubular portion of the packer-rod is slotted, as shown at a, whichslot may be parallel to the axis of the rod, the outer end of said slotcurving laterally, as shown at a', or said slot may be formed on aspiral line eX- 8e tending from one end to the other of the tubularportion. At that end of the slot which lies in the direction in whichthe tool is re volved in winding the packing-that is to say, at the leftend of the slot, Figs. 2, 5, and G-is formed a cutting-lip, ai.

Instead of slotting the rod along the tubular portion thereof, said rodmay be grooved for the reception of the packing-strand, said grooveterminating in a slot at the end of the 9o rod, on one side of which isformed the cutting-lip ai.

B indicates a spoolholder, of rectangular form, provided with bearingsb3 b for the reception 0f the packer-rod A andthe handle A',respectively, said parts being detaehably connected with thespool-holder by means of set screws b5 1f.

One journal for the spool C consists of a cone-screw, b, while the otherjournal consists roo of a cone-pin, b', projecting from a springplate,Zr', secured to the spool-holder B. The stress of the spring on thejournal b and the pressure of the latter in its bearings in the spoolserve to retard or cheek the rotation of the spool, so that the packingwill be fed as it is wound around the part to be packed, to preventchoking or obstructing the operation of the tool.

To guide the packing properly into the slot or groove a, I provide aguideeye, a3, at the rear end of such slot or groove, as shown.

The handle A may be connected directly with or forni an integral part ofthe packerrod, and the spool-holder or frame may be secured to thepacker-rod by means of a set screw or screws, c, the packer-rod beingfiattened for the reception of the base-plate of the spoolholder, asshown in Fig. 8. A bobbin, G, may be used instead of the spool C andspool-holder B and mounted on the packer-rod itself, as shown in Fig. 6,or either of these devices may be dispensed with.

The operation of the tool is as follows: The end of the packingstrandbeing laid into the slot or groove (t of the packing-rod and then aroundthe part to be packed,said rod is pushed home and the tool revolved fromleft to right, the cutting-lip of serving as an abutment for thepaeking-strand, while the end of the slot a serves to guide said strandaround the part to be packed. When several convolutions have been woundon the part to be packed, these are then condensed by using the tool asa raminer, to assist which a hammer or mallet may be used. A furtherlength of packing is then wound on and condensed, and so on until theoperation is completed, when the end of the packing strand is cut of.

To remove an old packing, the tool is revolved in a reverse direct-ion,onfrom right to left, so as to cause the cutting-lip to bite into thepacking, the tool performing the function of a hollow7 or tubular auger,unwinding the packing which may be drawn out through the slot a, as itis unwouud or out.

Having described my invention,what Ielaim is- 1. The herein-describedpacking-tool, consisting, essentially, o1" a tubular packerrod adaptedto fit upon the part to be packed, and provided with a longitudinalguide-slot eX- tending along the tubular portion of the rod for thereceptionand guidance of the packingstrand, whereby, when said rod isplaced upon the part to be packed and revolved, said strand will bewound around such part, substantially as and for the purposes specified.

2. The l1ereindescribed packingtool, oonsisting of a tubular packer-rodadapted to iit upon the part to be packed, and provided with alongitudinal slot extending along the tubular portion of the rod for thereception and guidance of the packing-strand, in combination with arevoluble carrier for the packing, substantially as and for the purposesspecified.

3. The hereindeseribed packing-tool, consisting of atubular packer-rodadapted to fit upon the part to be packed, and provided with alongitudinal slot formed in the tubular portion thereof, said slotcurving from right to left at the open end of the said tubular portionof the rod, substantially as and for the purposes specified.

4. The herein-described packing-tool, consisting of a tubular packer-rodadapted to fit upon the part to be packed, and provided withalongitudinalslotformedinthe tubular portion thereof, one of the wallsof said slot having its outer end formed into or provided with acutting-lip, whereby the rod is iliade to perform the function of anauger when revolved in a given direction, substantially as and for thepurposes specified.

5. The herein-described packing-tool, consisting of a tubular packer-rodprovided with a guide-slot for the packing-strand, in combination with arevoluble packing-carrier and a friction-lirake for said carrier,substantially as and for the purposes specified.

6. A tool of the class described, comprising a tubular packer-rodadapted to fit upon the part to be packed, and provided with a guidegroove or slot for the reception and guidance of the packing, a handlefor said rod, and a revoluble carrier for the packing, said parts beingdetachably connected together, substantially as and for the purposesspecified.

7. rlhe herein-described packing-tool, cousisting of a tubularpacker-rod, A, provided with a slot, a, and a cutting-lip, at, incombination with the spool B, and thc spring-plate b2, provided with thecone-pin Z2', that consti tutes one of thejournals for thespool andopcrates as a friction-brake, substantially as and for the purposesspecified.

In testimony whereof I afx my signature in presence of two witnesses.

PETER JuStIITH.

"Witnesses:

WILLIAM F. Luana, Jos. E. C. SMITH.

